<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    html,body{
        width:100%;
        height:100%;
    }

    body{
        margin:0;
        padding:0;
        background:url(/asset/image/back-img.png) repeat-x fixed;
        background-size: contain; 
        display: flex;
        align-items: center; 
        justify-content: center; 
    }
    @media screen and (min-width: 768px) {
            .container .pic{
                display:inline-block;
                width:147px;
                height:147px;
            }
            .sever_msg{
                font-size:36px;
            }
            .container {
                width:700px;
                /* margin: 0 auto;
                position: relative;
                top: 50%;
                transform: translateY(-50%); */
            }
        }
    .container .pic{
        background:url(/asset/image/overdue.png) no-repeat;
         background-size: 100%;
        vertical-align:middle;
    }
    .sever_msg{
        font-weight:600;
        color:#666666;
        vertical-align: middle;
    }
    @media screen and (max-width: 768px) {
        .container .pic{
            display:block;
            width:88px;
            height:88px;
            margin-bottom:15px;
        }
        .sever_msg{
            font-size:18px;
            font-family:PingFangSC-Semibold,PingFang SC;
        }
        .container {
            width:280px;
            display:flex;
            justify-content: center;
            flex-direction: column;
            align-items: center;
            /* margin: 0 auto;
            position: relative;
            top: 50%;
            transform: translateY(-50%); */
        }

    }
</style>
<body>
     <div class="container">
        <span class="pic"></span>
        <span class="sever_msg"> 系统服务已到期，请联系管理员。</span>
     </div>   
</body>
</html>